Information-processing device, comment-prompting method, and computer-readable recording medium

Abstract

An information-processing device ( 201 ), comprises: a user information acquisition part ( 3 ) configured to acquire user information indicating at least one of an attribute of a subject user, said subject user's content of opinion with respect to one or more evaluation subjects, and said subject user's operation history; a group determination part ( 4 ) configured to determine a group to which said subject user belongs from among a plurality of groups based on user information acquired by said user information acquisition part ( 3 ); and an input-prompting part ( 5 ) configured to present, to said subject user based on said group to which said subject user belongs, prompting information for inducing said subject user to input a new evaluation subject or content of opinion with respect to a presented evaluation subject which is an evaluation subject presented to said subject user.

What is claimed is: 
     
         1 . An information-processing device, comprising:
 a user information acquisition part configured to acquire user information indicating at least one of an attribute of a subject user, said subject user's content of opinion with respect to one or more evaluation subjects, and said subject user's operation history;   a group determination part configured to determine a group to which said subject user belongs from among a plurality of groups based on user information acquired by said user information acquisition part; and   an input-prompting part configured to present, to said subject user based on said group to which said subject user belongs, prompting information for inducing said subject user to input a new evaluation subject or content of opinion with respect to a presented evaluation subject which is an evaluation subject presented to said subject user.   
     
     
         2 . The information-processing device according to  claim 1 , wherein
 an operation until said subject user inputs a new evaluation subject or content of opinion with respect to said presented evaluation subject is classified into a plurality of stages, and   said user information acquisition part acquires user information indicating said subject user's operation history in each said stage.   
     
     
         3 . The information-processing device according to  claim 1 , wherein
 an operation until said subject user inputs a new evaluation subject or content of opinion with respect to said presented evaluation subject is classified into a plurality of stages, and   said user information acquisition part acquires user information indicating a move history of said stage by said subject user.   
     
     
         4 . The information-processing device according to  claim 2 , wherein
 said group determination part, based on at least either of said subject user's operation history in one or more said stages to which said subject user has moved before a subject stage and/or a move history of said stages by said subject user up to said subject stage, determines a group to which said subject user belongs from among a plurality of groups, and   said input-prompting part, in said subject stage or said stage to which said subject user moves after said subject stage, presents said prompting information to said subject user based on said group to which said subject user belongs.   
     
     
         5 . The information-processing device according to  claim 1 , wherein
 an operation until said subject user inputs a new evaluation subject or content of opinion with respect to said presented evaluation subject is classified into a plurality of stages, and   said input-prompting part, for every said stage, based on said group to which said subject user belongs, presents said prompting information for inducing said subject user to a next stage.   
     
     
         6 . The information-processing device according to  claim 2  wherein
 said two or more stages include at least any two of: a stage where said subject user browses said presented evaluation subject; a stage where said subject user browses each user's content of opinion with respect to said presented evaluation subject; a stage where said subject user evaluates said presented evaluation subject; a stage where said subject user inputs content of opinion with respect to said presented evaluation subject; and a stage where said subject user inputs a new evaluation subject. 
 
     
     
         7 . The information-processing device according to  claim 6 , wherein
 said two or more stages include at least a stage where said subject user browses said presented evaluation subject in a short time and a stage where said subject user browses it in a long time, or include at least a stage where said subject user browses each user's content of opinion with respect to said presented evaluation subject in a short time and a stage where said subject user browses it in a long time, and   said input-prompting part presents said prompting information for purpose of inducing said subject user from a stage where said subject user browses said presented evaluation subject or said content of opinion in a short time to a stage where said subject user browses said presented evaluation subject or said content of opinion in a long time.   
     
     
         8 . The information-processing device according to  claim 2 , wherein
 said input-prompting part, in the case where even if prescribed time has elapsed after said subject user has moved to a certain said stage, said subject user does not move to a new said stage, presents said prompting information to said subject user.   
     
     
         9 . The information-processing device according to  claim 1 , further comprising
 a classification information storage part configured to store classification information indicating a plurality of groups classified based on at least one of a user's content of opinion with respect to an evaluation subject, a user's operation history, and a user's attribute, wherein   said group determination part, based on user information acquired by said user information acquisition part, determines a group to which said subject user belongs from among said two or more groups indicated by said classification information.   
     
     
         10 . The information-processing device according to  claim 1 , wherein
 said input-prompting part determines content of said prompting information for every said group.   
     
     
         11 . The information-processing device according to  claim 10 , further comprising
 a message storage part configured to store a correspondence relation between each said group and a prescribed message,   
       wherein
 said input-prompting part, from among said messages stored by said message storage part, selects said message corresponding to said group to which said subject user belongs as said prompting information. 
 
     
     
         12 . The information-processing device according to  claim 1 , wherein
 said input-prompting part determines a presenting method of said prompting information for every said group.   
     
     
         13 . The information-processing device according to  claim 12 , wherein
 said input-prompting part determines a presenting timing of said prompting information for every said group.   
     
     
         14 . The information-processing device according to  claim 12 , further comprising
 an input record information acquisition part configured to acquire input record information indicating a record in which each user in a group to which said subject user belongs has inputted content of opinion with respect to one or more evaluation subjects,   
       wherein
 said input-prompting part, based on said input record information acquired by said input record information acquisition part, determines a presenting method of said prompting information. 
 
     
     
         15 . The information-processing device according to  claim 1 , wherein
 said input-prompting part, in the case where even if prescribed time has elapsed after a prescribed timing, a new evaluation subject or content of opinion with respect to said presented evaluation subject is not inputted, presents said prompting information to said subject user.   
     
     
         16 . The information-processing device according to  claim 15 , further comprising
 an input record information acquisition part configured to acquire standby time after said prescribed timing until each user starts inputting of content of opinion with respect to one or more evaluation subjects, wherein   said input-prompting part, based on said standby time of each user in said group to which said subject user belongs, calculates said prescribed time.   
     
     
         17 . The information-processing device according to  claim 16 , wherein
 said input-prompting part creates a frequency distribution of said standby time of each user in said group to which said subject user belongs, and calculates said prescribed time based on a created frequency distribution.   
     
     
         18 . The information-processing device according to  claim 15 , further comprising
 an input record information acquisition part configured to acquire input record information indicating a record in which each user has inputted content of opinion with respect to other evaluation subjects other than said presented evaluation subject,   
       wherein
 said user information acquisition part, as said operation history, acquires user information indicating a record in which said subject user has inputted content of opinion with respect to said other evaluation subjects, and 
 said group determination part classifies users into a plurality of groups based on said input record information acquired by said input record information acquisition part, and based on said user information acquired by said user information acquisition part, determines a group to which said subject user belongs from among said two or more groups, and 
 
       said input-prompting part calculates said prescribed time based on said group to which said subject user belongs. 
     
     
         19 . A comment-prompting method comprising:
 a step to acquire user information indicating at least one of an attribute of a subject user, said subject user's content of opinion with respect to one or more evaluation subjects, and said subject user's operation history;   a step to determine a group to which said subject user belongs from among a plurality of groups based on said user information; and   a step to present, to said subject user, based on said group to which said subject user belongs, prompting information for inducing said subject user to input a new evaluation subject or content of opinion with respect to a presented evaluation subject which is an evaluation subject presented to said subject user.   
     
     
         20 . A computer readable recording medium in which recorded is a comment-prompting program to make a computer execute:
 a step to acquire user information indicating at least one of an attribute of a subject user, said subject user's content of opinion with respect to one or more evaluation subjects, and said subject user's operation history;   a step to determine a group to which said subject user belongs from among a plurality of groups based on said user information; and   a step to present, to said subject user, based on said group to which said subject user belongs, prompting information for inducing said subject user to input a new evaluation subject or content of opinion with respect to a presented evaluation subject which is an evaluation subject presented to said subject user.   
     
     
         21 . The information-processing device according to  claim 3 , wherein
 said group determination part, based on at least either of said subject user's operation history in one or more said stages to which said subject user has moved before a subject stage and/or a move history of said stages by said subject user up to said subject stage, determines a group to which said subject user belongs from among a plurality of groups, and   said input-prompting part, in said subject stage or said stage to which said subject user moves after said subject stage, presents said prompting information to said subject user based on said group to which said subject user belongs.   
     
     
         22 . The information-processing device according to  claim 3 , wherein
 said two or more stages include at least any two of: a stage where said subject user browses said presented evaluation subject; a stage where said subject user browses each user's content of opinion with respect to said presented evaluation subject; a stage where said subject user evaluates said presented evaluation subject; a stage where said subject user inputs content of opinion with respect to said presented evaluation subject; and a stage where said subject user inputs a new evaluation subject.   
     
     
         23 . The information-processing device according to  claim 3 , wherein
 said input-prompting part, in the case where even if prescribed time has elapsed after said subject user has moved to a certain said stage, said subject user does not move to a new said stage, presents said prompting information to said subject user.